Return to the list
Thailand - Final Regulatory Action
Calcium arsenate CAS number:
Date circular:

Chemical name: Arsenic acid (H3AsO4), calcium salt (2:3)

Final regulatory action has been taken for the category: Pesticide

Final regulatory action: The chemical is Banned

Use or uses prohibited by the final regulatory action:

All formulations and uses were prohibited by the final regulatory action.

Pesticide use or uses that remain allowed:


The final regulatory action was based on a risk or hazard evaluation: Yes

Summary of the final regulatory action:

Banned for import, production, having in possession and use as an agricultural pesticide.

The reasons for the final regulatory action were relevant to: Human health

Summary of known hazards and risks to human health:

Calcium arsenate is one of inorganic arsenical compounds which have been classified as Class A oncogens based on sufficient human epidemiological evidence. They have been asseyed for mutagenic activity in variety of tests ranging from bacterial cells to peripheral lymphocytes of exposed humans. The weight of evidence indicates that they are mutagenic. Intravenous and intrperitoneal routes of exposure indicates that they are teratogenic and fetotoxic.

Expected effect of the final regulatory action in relation to human health:

No poisoning case caused by calcium arsenate is reported and also reduce introduction of oncogenic, mutagenic, teratogenic and fetotoxic agent into the country.

Date of entry into force of the final regulatory action: 24/06/2000